Remove margins from editor scrollbars

editor/editor_themes.cpp

@@ -1808,7 +1808,7 @@ Ref<Theme> create_editor_theme(const Ref<Theme> p_theme) {
 	if (increase_scrollbar_touch_area) {
 		theme->set_stylebox("scroll", "HScrollBar", make_line_stylebox(separator_color, 50));
 	} else {
-		theme->set_stylebox("scroll", "HScrollBar", make_stylebox(theme->get_icon(SNAME("GuiScrollBg"), EditorStringName(EditorIcons)), 5, 5, 5, 5, 1, 1, 1, 1));
+		theme->set_stylebox("scroll", "HScrollBar", make_stylebox(theme->get_icon(SNAME("GuiScrollBg"), EditorStringName(EditorIcons)), 5, 5, 5, 5, -5, 1, -5, 1));
 	}
 	theme->set_stylebox("scroll_focus", "HScrollBar", make_stylebox(theme->get_icon(SNAME("GuiScrollBg"), EditorStringName(EditorIcons)), 5, 5, 5, 5, 1, 1, 1, 1));
 	theme->set_stylebox("grabber", "HScrollBar", make_stylebox(theme->get_icon(SNAME("GuiScrollGrabber"), EditorStringName(EditorIcons)), 6, 6, 6, 6, 1, 1, 1, 1));
@@ -1826,7 +1826,7 @@ Ref<Theme> create_editor_theme(const Ref<Theme> p_theme) {
 	if (increase_scrollbar_touch_area) {
 		theme->set_stylebox("scroll", "VScrollBar", make_line_stylebox(separator_color, 50, 1, 1, true));
 	} else {
-		theme->set_stylebox("scroll", "VScrollBar", make_stylebox(theme->get_icon(SNAME("GuiScrollBg"), EditorStringName(EditorIcons)), 5, 5, 5, 5, 1, 1, 1, 1));
+		theme->set_stylebox("scroll", "VScrollBar", make_stylebox(theme->get_icon(SNAME("GuiScrollBg"), EditorStringName(EditorIcons)), 5, 5, 5, 5, 1, -5, 1, -5));
 	}
 	theme->set_stylebox("scroll_focus", "VScrollBar", make_stylebox(theme->get_icon(SNAME("GuiScrollBg"), EditorStringName(EditorIcons)), 5, 5, 5, 5, 1, 1, 1, 1));
 	theme->set_stylebox("grabber", "VScrollBar", make_stylebox(theme->get_icon(SNAME("GuiScrollGrabber"), EditorStringName(EditorIcons)), 6, 6, 6, 6, 1, 1, 1, 1));